adj. & n.
adj. of or relating to points of simultaneous arrival of an earthquake wave.
n. a straight line or a curve connecting these points.
[ CO- + SEISMAL (see SEISMIC) ]
adj. & n.
adj. of or relating to points of simultaneous arrival of an earthquake wave.
n. a straight line or a curve connecting these points.
[ CO- + SEISMAL (see SEISMIC) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012